Predicate |
Object |
title |
having two rings |
label |
C07C49/733 |
sameAs |
http://data.epo.org/linked-data/def/ipc/C07C49-733 http://www.wipo.int/classifications/ipc/ipcpub/?notion=scheme&symbol=C07C0049733000 |
broader |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C49-727 |